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Table 4 Intensity of Schistosoma mansoni infection in school children in Wolaita Zones, southern Ethiopia, in 2015

From: Epidemiology of intestinal helminthiasis among school children with emphasis on Schistosoma mansoni infection in Wolaita zone, Southern Ethiopia

Variables Classes of intensity of infectiona
Light n (%) Moderate n (%) Heavy n (%)
Age (Years) 5-9 17 (6.5) 14 (5.3) 12 (4.6)
10-14 65 (24.7) 75 (28.5) 63 (24)
15-19 8 (3) 5 (1.9) 4 (1.5)
Sex Male 55 (20.9) 66 (25.1) 44 (16.7)
Female 35 (13.3) 28 (10.6) 35 (13.3)
Schools Ajora 34 (12.9) 32 (12.2) 17 (6.5)
Gilo-Bisare 27 (10.3) 36 (13.7) 18 (6.8)
Bisare 4 (1.5) 3 (1.1) 3 (1.1)
Motala 25 (9.5) 23 (8.7) 41 (15.6)
Water contact frequency per week ≤ 2 days 27 (10.3) 22 (8.4) 29 (11)
≥ 3 days 63 (24) 72 (27.4) 50 (19)
Reason for water contact Swimming 77 (29.3) 78 (29.7) 56 (21.3)
Other 13 (4.9) 16 (6.1) 23 (8.7)
Overall intensity For total positive (n = 263) 90 (34.2) 94 (35.8) 79 (30)
  1. aClasses of intensity for S. mansoni infection were set by WHO based on epg count as light (1–99 epg), moderate (100– 399 epg) and heavy (epg ≥ 400) [24]